New line

duncan1_9_8_4

duncan1_9_8_4

UK Railway Signaller and Garden Railway Operator
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United-Kingdom
I have just started to build a new avoiding line, which will cross my main line. It will need to go from ground level to around 10 inches high. Can anyone with inclines, advise me on what would be a good distance over which to get to the 10 inches high. My trains are not too long, maybe four bogie wagons. I just dont want the train to come to a grinding halt.

Thanks
 
duncan1_9_8_4 said:
I have just started to build a new avoiding line, which will cross my main line. It will need to go from ground level to around 10 inches high. Can anyone with inclines, advise me on what would be a good distance over which to get to the 10 inches high. My trains are not too long, maybe four bogie wagons. I just dont want the train to come to a grinding halt.

Thanks
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The bigger the distance you can manage, the better, is the (admittedly obvious) rule. IN my experience, anything over 1 in 30 is to be avoided (and I speak as someone with a 1 in 20 gradient on my line!). So that would equal 300 inches, or 25 feet. Yikes! 1 in 25 would equal 250 inches or 20 feet 10 inches.
 
duncan1_9_8_4 said:
yikes indeed, might have to spiral it up to get the distance.................... hmmmmm
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Certainly an option, but resist going for tight curves on a gradient as they make life just as hard for the locos as a stiff gradient on the straight. G scaling does rather make you wish you had a football pitch to work in at times.....

If you haven't already seen it, here's one my own "Doh" moments when I was reminded that 1 in 20 really is just a bit too steep sometimes....

http://www.youtube.com/watch?v=OXMTb9EMHX0
 
i've been sat in the garden gawping at the proposed route for half an hour, think i might be able to manage r2s
 
Assuming that the 10" is the point where your lines will cross, you might wish to think about grading both if that is possible. A 5" difference in height on both lines might be more manageable. Or a crossing on the level might be a better option to eliminate grades altogether. If you try to push things too much you will regret it - I speak as one who had to raise over 50' of line by up to 6" (and, believe me, that's a lot of work) to reduce grades in the past, after getting fed up with only being able to run 3 car trains!
 
i cant, unfortunatley. the under line has been there years, on cement under it. so i can only go over.......
 
just been looking at track for said project, and hell fire! price has increased alot since i last bought some.
 
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